/* Blog, changelog and long-form content pages.
   Same design tokens as index.html so the chrome is continuous across the
   site — if those change, change them here too. */
:root{
  color-scheme:light;
  --brand:#6366f1; --brand-deep:#4f46e5; --brand-soft:#eef2ff;
  --ink:#0f1222; --ink-2:#4b4f63; --ink-3:#8a8ea3;
  --bg:#ffffff; --bg-2:#f7f8fb; --line:#e7e8ef;
  --ok:#16a34a; --radius:14px;
  --shadow:0 1px 2px rgba(15,18,34,.05),0 8px 28px rgba(15,18,34,.07);
}
@media (prefers-color-scheme:dark){
  :root{
    color-scheme:dark;
    --brand:#818cf8; --brand-deep:#6366f1; --brand-soft:#1e2142;
    --ink:#f2f3f8; --ink-2:#b9bccc; --ink-3:#7d8098;
    --bg:#0d0e16; --bg-2:#13141f; --line:#252738;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
/* A document wider than the viewport is what makes mobile browsers zoom out.
   `clip` rather than `hidden` so the sticky header keeps sticking. */
html,body{overflow-x:clip;max-width:100%}
body{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;margin:0;
  line-height:1.65;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.wrap{max-width:1060px;margin:0 auto;padding:0 24px}
.muted{color:var(--ink-3);font-size:.9rem}

/* ── chrome, matching index.html ── */
header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 85%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;justify-content:space-between;align-items:center;padding-block:14px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo:hover{text-decoration:none}
.logo img{width:27px;height:27px;border-radius:7px;display:block;flex-shrink:0}
.logo img.wm{width:auto;height:21px;border-radius:0}
header nav{display:flex;align-items:center;gap:2px}
header nav a{color:var(--ink-2);padding:7px 11px;border-radius:9px;font-size:.93rem;white-space:nowrap}
header nav a:hover{background:var(--bg-2);color:var(--ink);text-decoration:none}
header nav a.on{color:var(--ink);font-weight:600}
header nav a.solid{background:var(--brand-deep);color:#fff;font-weight:600;margin-left:6px}
header nav a.solid:hover{background:var(--brand);color:#fff}
@media(max-width:640px){header nav a.hide-sm{display:none}header nav a{padding:7px 8px;font-size:.88rem}}

footer{border-top:1px solid var(--line);margin-top:72px;padding:24px 0 40px;
  font-size:.85rem;color:var(--ink-3)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{color:var(--ink-2)}

main{padding-bottom:20px}

/* ── page headings ── */
.page-head{padding:52px 0 26px;max-width:720px}
.page-head h1{font-size:clamp(2rem,4.6vw,2.9rem);line-height:1.1;margin:0 0 12px;
  font-weight:800;letter-spacing:-.02em}
.lede{font-size:1.08rem;color:var(--ink-2);margin:0 0 8px}

/* ── tag bar ── */
.tagbar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.tagbar a{font-size:.85rem;color:var(--ink-2);border:1px solid var(--line);
  background:var(--bg);border-radius:99px;padding:5px 14px}
.tagbar a:hover{background:var(--bg-2);text-decoration:none}
.tagbar a.on{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;font-weight:600}

/* ── cards ── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px;margin-bottom:20px}
.card{border:1px solid var(--line);background:var(--bg);border-radius:var(--radius);
  overflow:hidden;transition:box-shadow .15s ease,transform .15s ease}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card-link{display:block;color:inherit}
.card-link:hover{text-decoration:none}
.card-body{padding:18px 20px 20px}
.card h3{margin:8px 0 8px;font-size:1.05rem;line-height:1.35;letter-spacing:-.01em}
.card p{margin:0;font-size:.92rem;color:var(--ink-2)}
.card .meta{display:block;margin-top:12px;font-size:.8rem;color:var(--ink-3)}

/* The thumbnail is generated, not uploaded: a tinted field with the topic in
   it. Better than a stock photograph, and it can never be a broken image. */
.thumb{aspect-ratio:16/8;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-soft),var(--bg-2));
  border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.thumb::after{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 22% 18%,color-mix(in srgb,var(--brand) 26%,transparent),transparent 62%)}
.thumb span{position:relative;z-index:1;font-size:.9rem;font-weight:700;letter-spacing:.02em;
  color:var(--brand-deep);opacity:.8;text-align:center;padding:0 16px}
@media(prefers-color-scheme:dark){.thumb span{color:var(--ink)}}

.featured{margin-bottom:22px}
.featured .card-link{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:stretch}
.featured .thumb{aspect-ratio:auto;min-height:230px;border-bottom:0;border-right:1px solid var(--line)}
.featured .thumb span{font-size:1.15rem}
.featured .card-body{padding:30px 32px;display:flex;flex-direction:column;
  justify-content:center;align-items:flex-start}
.featured h3{font-size:1.5rem;line-height:1.22}
.featured p{font-size:1rem}
@media(max-width:760px){
  .featured .card-link{grid-template-columns:1fr}
  .featured .thumb{min-height:150px;border-right:0;border-bottom:1px solid var(--line)}
  .featured .card-body{padding:20px}
  .featured h3{font-size:1.25rem}
}

.pill{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.02em;
  color:var(--brand-deep);background:var(--brand-soft);
  border-radius:99px;padding:3px 11px;white-space:nowrap}
@media(prefers-color-scheme:dark){.pill{color:var(--brand)}}
a.pill:hover{text-decoration:none;filter:brightness(1.05)}
.pill.fixed{color:#b45309;background:#fef3c7}
.pill.new{color:#15803d;background:#dcfce7}
.pill.improved{color:var(--brand-deep);background:var(--brand-soft)}
.pill.breaking{color:#b91c1c;background:#fee2e2}
@media(prefers-color-scheme:dark){
  .pill.fixed{color:#fbbf24;background:#3a2d10}
  .pill.new{color:#4ade80;background:#12301f}
  .pill.improved{color:var(--brand);background:var(--brand-soft)}
  .pill.breaking{color:#fca5a5;background:#3b1518}
}

/* ── article ── */
.article-wrap{max-width:760px}
.crumbs{font-size:.85rem;color:var(--ink-3);padding:26px 0 0}
.crumbs a{color:var(--ink-3)}
.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line);margin-bottom:30px}
.article-head h1{font-size:clamp(1.85rem,4.4vw,2.6rem);line-height:1.14;margin:14px 0 12px;
  font-weight:800;letter-spacing:-.02em}
.article-head .meta{font-size:.87rem;color:var(--ink-3);margin:12px 0 0}

.toc{border:1px solid var(--line);background:var(--bg-2);border-radius:var(--radius);
  padding:16px 20px;margin:0 0 32px}
.toc b{display:block;font-size:.78rem;letter-spacing:.07em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:8px}
.toc ul{margin:0;padding-left:18px}
.toc li{margin:4px 0;font-size:.93rem}
.toc a{color:var(--ink-2)}

/* ── prose ── */
.prose{font-size:1.03rem;color:var(--ink-2)}
.prose h2{font-size:1.5rem;line-height:1.25;margin:42px 0 12px;color:var(--ink);
  letter-spacing:-.015em;scroll-margin-top:80px}
.prose h3{font-size:1.15rem;margin:30px 0 8px;color:var(--ink);scroll-margin-top:80px}
.prose h4{font-size:1rem;margin:24px 0 6px;color:var(--ink)}
.prose p{margin:0 0 18px}
.prose strong{color:var(--ink)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin:7px 0}
.prose li::marker{color:var(--ink-3)}
.prose hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.prose blockquote{margin:0 0 18px;padding:2px 0 2px 18px;border-left:3px solid var(--brand);
  color:var(--ink-2);font-style:italic}
.prose code{background:var(--bg-2);border:1px solid var(--line);border-radius:6px;
  padding:1px 5px;font-size:.87em;color:var(--ink)}
.prose pre{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;overflow-x:auto;font-size:.86rem;line-height:1.6;margin:0 0 22px;
  color:var(--ink);position:relative}
.prose pre code{background:none;border:0;padding:0;font-size:1em}
.prose pre[data-lang]::before{content:attr(data-lang);position:absolute;top:8px;right:12px;
  font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.prose img{border:1px solid var(--line);border-radius:var(--radius);display:block;margin:0 0 22px}

.table-scroll{overflow-x:auto;margin:0 0 22px;border:1px solid var(--line);
  border-radius:var(--radius)}
.table-scroll table{border-collapse:collapse;width:100%;font-size:.92rem}
.table-scroll th,.table-scroll td{text-align:left;padding:10px 14px;
  border-bottom:1px solid var(--line);vertical-align:top}
.table-scroll th{background:var(--bg-2);color:var(--ink);font-size:.8rem;
  letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
.table-scroll tr:last-child td{border-bottom:0}

/* ── changelog ── */
.entries{max-width:860px;padding-bottom:10px}
.entry{display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px;
  padding:34px 0;border-top:1px solid var(--line)}
.entry:first-child{border-top:0;padding-top:8px}
.entry-side{display:flex;flex-direction:column;align-items:flex-start;gap:9px}
.entry-side time{font-size:.88rem;color:var(--ink-3);white-space:nowrap}
.entry-body h2{font-size:1.35rem;line-height:1.28;margin:0 0 12px;letter-spacing:-.015em}
.entry-body h2 a{color:var(--ink)}
.entry-body h2 a:hover{color:var(--brand);text-decoration:none}
.entry:target .entry-body h2 a{color:var(--brand)}
@media(max-width:720px){
  .entry{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .entry-side{flex-direction:row;align-items:center;gap:12px}
}

/* ── related + cta ── */
.related{margin-top:56px;padding-top:8px}
.related h2{font-size:1.3rem;margin:0 0 16px;letter-spacing:-.01em}
.related .grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.related .card h3{font-size:.98rem}
.related .thumb{aspect-ratio:16/6}

.cta-band{border:1px solid var(--line);background:var(--bg-2);border-radius:var(--radius);
  padding:34px 32px;margin:52px 0 10px;text-align:center}
.cta-band h2{font-size:1.5rem;margin:0 0 10px;letter-spacing:-.015em;line-height:1.25}
.cta-band p{color:var(--ink-2);max-width:560px;margin:0 auto 20px;font-size:.97rem}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 24px;border-radius:11px;font-weight:700;font-size:.97rem}
.btn:hover{text-decoration:none}
.btn.primary{background:var(--brand-deep);color:#fff}
.btn.primary:hover{background:var(--brand);color:#fff}
.btn.ghost{background:var(--bg);color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--bg-2)}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .card{transition:none}
  .card:hover{transform:none}
}